Draft gear for railway vehicles,申请号US19340724478-传众专利搜索

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发明名称	Draft gear for railway vehicles
摘要
申请公布号	US2064891(A)	申请公布日期	1936.12.22
申请号	US19340724478	申请日期	1934.05.08
申请人	FRIED. KRUPP AKTIENGESELLSCHAFT	发明人	EGEN HEINRICH
分类号	B61G9/12	主分类号	B61G9/12
代理机构		代理人
主权项
地址

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